38161887 has 8 divisors (see below), whose sum is σ = 50911920. Its totient is φ = 25426560.

The previous prime is 38161841. The next prime is 38161909. The reversal of 38161887 is 78816183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38161887 - 2⁷ = 38161759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38161817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6087 + ... + 10647.

It is an arithmetic number, because the mean of its divisors is an integer number (6363990).

Almost surely, 2^38161887 is an apocalyptic number.

38161887 is a deficient number, since it is larger than the sum of its proper divisors (12750033).

38161887 is a wasteful number, since it uses less digits than its factorization.

38161887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353.

The product of its digits is 64512, while the sum is 42.

The square root of 38161887 is about 6177.5308174059. The cubic root of 38161887 is about 336.6742854641.

The spelling of 38161887 in words is "thirty-eight million, one hundred sixty-one thousand, eight hundred eighty-seven".